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Svenska Kraftnät

listed as Svenska Kraftnät data · Claimed by Everest · listed 8 months ago

8m
Age
since listed · data leaked

Status timeline

  1. ListedNov 13, 2025
  2. Data leakeddate unknown

At a glance

Group
Everest
Status
Data leaked
Country
Sweden
Sector
Technology
Listed on leak site
Nov 13, 2025

About the victim

AI dossier — public-source company profile

Svenska Kraftnät (Swedish National Grid) is the Swedish state-owned transmission system operator responsible for transmitting high-voltage electricity across Sweden and balancing the national power grid. It operates the national high-voltage electricity grid and manages cross-border power exchanges with neighboring countries. As a critical national infrastructure operator, it plays a central role in Sweden's energy security.

Industry
Electric Power Transmission & Grid Operation
Address
Sturegatan 1, 172 67 Sundbyberg, Sweden
Employees
1000-5000
Founded
1992

Attack summary

Severity: critical — Svenska Kraftnät is Sweden's national electricity transmission system operator and constitutes critical national infrastructure. Any confirmed data exfiltration from a government-owned power grid operator represents a critical severity event due to potential national security implications, exposure of sensitive infrastructure data, and the status of the victim as a critical infrastructure entity.

The Everest ransomware group claims to have published data attributed to Svenska Kraftnät, indicating exfiltration of data from the Swedish national grid operator. The leak post is minimal and the exact nature or volume of the data published is not detailed in the available excerpt.

critical

Data the group says was taken

AI dossier — extracted from the leak post
  • Internal documents
  • Grid operational data

Original description

AI-summarised, not from the leak post

"Svenska Kraftnät" is Sweden's national grid operator, responsible for ensuring that the country's electricity transmission system is safe, efficient and environmentally friendly. Their role includes maintaining balance between supply and demand, coordinating grid infrastructure and overseeing the electricity market. "Svenska Kraftnät Data" could refer to data management or IT departments within the organization, or data related to the company's operations.

The leak post

captured from the group's site
© 2026, All rights reserved
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Sources

Source

Indexed 8 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About Everest

Everest is a financially-motivated ransomware group that emerged in September 2021, operating with a focus on profit-driven extortion campaigns against organizations primarily in the United States and Europe. The group's country of origin and specific affiliations remain undocumented in public threat intelligence reporting, though their operational patterns suggest they likely operate as an independent entity rather than a formal ransomware-as-a-service model. Limited public documentation exists regarding Everest's specific attack methodologies, initial access vectors, or technical capabilities, though their victim profile indicates they employ standard ransomware tactics targeting a diverse range of sectors including healthcare, technology, business services, and manufacturing organizations. Since their emergence, Everest has claimed responsibility for attacks against 339 victims across multiple countries, with the United States, United Kingdom, Italy, Germany, and Spain representing their primary geographic targets, though no specific high-profile incidents or major ransoms have been publicly documented by law enforcement or major security firms. As of current reporting, Everest appears to remain an active threat actor, though the limited public intelligence available suggests they operate as a lower-tier ransomware group compared to more prominent and well-documented criminal organizations. The group has been linked to 369 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post May 29, 2026. The operation is currently active.

Timeline of this disclosure

  • November 13, 2025Svenska Kraftnät data listed by Evereston the group's public leak site

Other recent disclosures by Everest

Everest has been linked to 369 public victims on Darkfield. A sample of the most recent:

See the full Everest dossier →

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 3,549 disclosures indexed across all operators we track. Geographically, Svenska Kraftnät data is reported in Sweden, a country with 111 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Everest means Svenska Kraftnät data appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, CERT-SE (Sweden), as required for your jurisdiction.
  • Monitor for the data appearing on Everest's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.